EP3219407A1 - Dispenser and spray device having the same - Google Patents
Dispenser and spray device having the same Download PDFInfo
- Publication number
- EP3219407A1 EP3219407A1 EP16186187.7A EP16186187A EP3219407A1 EP 3219407 A1 EP3219407 A1 EP 3219407A1 EP 16186187 A EP16186187 A EP 16186187A EP 3219407 A1 EP3219407 A1 EP 3219407A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- input passage
- release agent
- water
- mixing chamber
- dispenser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007921 spray Substances 0.000 title claims abstract description 38
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000004512 die casting Methods 0.000 claims abstract description 19
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- 230000000903 blocking effect Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 description 12
- 230000001105 regulatory effect Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C23/00—Tools; Devices not mentioned before for moulding
- B22C23/02—Devices for coating moulds or cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2218—Cooling or heating equipment for dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/2007—Methods or apparatus for cleaning or lubricating moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/32—Controlling equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/14—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
- B05B7/0441—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber
- B05B7/0466—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber with means for deflecting the central liquid flow towards the peripheral gas flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
- B05B7/0483—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with gas and liquid jets intersecting in the mixing chamber
Definitions
- the disclosure relates to a dispenser, and more particularly to a dispenser of a spray device of a die casting machine.
- a die casting operation using a conventional die casting machine 1 requires a release agent liquid (i.e., a mixture of release agent and water) to be sprayed to a mold 11 so that a produced blank can be easily removed from the mold 11.
- the release agent liquid is sprayed out from a spray device 12 which has a plurality of nozzle mechanisms 121.
- Each of the nozzle mechanisms 121 is formed with a copper tube having a curved distal end section.
- the mold 11 can reach higher temperatures after the die casting operation, such that the mold 11 needs to be cooled down before being sprayed with the release agent liquid to prevent poor adherence of the release agent liquid.
- a conventional spray device 12 uses the release agent liquid to cool down the mold 11 since the spray device 12 can only spray out one type of liquid by using high pressure air from a spray tube. Therefore, during the die casting operation, the release agent liquid needs to be sprayed out twice, once for cooling and once for die casting purposes. In such manner, a conventional spray device consumes a high amount of the release agent liquid and results in a time-consuming die casting operation.
- an object of the disclosure is to provide a dispenser that can reduce the consumption of release agent liquid and time for die casting operation.
- the dispenser is adapted to be mounted to a nozzle mechanism of a die casting machine, and is adapted to be connected to a release agent source, a water source and an air source.
- the dispenser includes a main body and two valve units.
- the main body has a mixing chamber, a release agent input passage, a water input passage, and an air input passage.
- the mixing chamber has a spray opening adapted to be connected to the nozzle mechanism of the die casting machine.
- the release agent input passage is adapted to be connected to the release agent source, and has at least one release agent hole portion communicating with the mixing chamber.
- the water input passage is adapted to be connected to the water source, and has at least one water hole portion communicating with the mixing chamber.
- the air input passage is adapted to be connected to the air source, and has at least one air hole portion communicating with the mixing chamber, and disposed upstream of the at least one release agent hole portion of the release agent input passage and the at least one water hole portion of the water input passage.
- the valve units are mounted to the main body. Each of the valve units is operable to open and close a respective one of the release agent input passage and the water input passage.
- Another object of the disclosure is to provide a spray device that has the abovementioned dispenser.
- the spray device includes a nozzle mechanism and the abovementioned dispenser.
- the nozzle mechanism includes a base body and a nozzle unit mounted to the base body.
- the dispenser is mounted to the nozzle mechanism.
- the spray opening of the mixing chamber communicates with the nozzle unit.
- the embodiment of a spray device is adapted for use in a die casting machine.
- the spray device includes a nozzle mechanism 2 and a plurality of dispensers 6 mounted to the nozzle mechanism 2.
- the nozzle mechanism 2 includes a base body 3, a plurality of nozzle units 4 mounted to the base body 3, and four air nozzle units 5 mounted to a bottomportion of the base body 3.
- the base body 3 has a plurality of receiving chambers 31.
- the nozzle units 4 respectively communicate with the receiving chambers 31, and each of the nozzle units 4 includes a plurality of nozzles 41.
- Each of the air nozzle units 5 includes a plurality of air nozzles 51.
- the number of the receiving chambers 31 and the number of the nozzle units 4 may each be one in other embodiments.
- the dispensers 6 are mounted to the base body 3 and are respectively connected to the receiving chambers 31.
- Each of the dispensers 6 is adapted to be connected to a release agent source 21, a water source 22 and an air source 23, and includes a main body 7 mounted to a top end of the base body 3, two valve units 8 and two regulating members 9.
- the main body 7 has a base part 70, a wall member 72 defining a mixing chamber 71, and a mixing member 73 having at least a portion that is disposed in the mixing chamber 71.
- the main body 7 further has two valve chambers 74, a release agent input passage 75 adapted to be connected to the release agent source 21, a water input passage 76 adapted to be connected to the water source 22, and an air input passage 77 adapted to be connected to the air source 23.
- the mixing chamber 71 has a spray opening 711 communicating with a respective one of the receiving chambers 31 of the base body 3, and diverging from an inner end thereof to an outer end thereof (i.e., toward the respective one of the receiving chambers 31).
- the wall member 72 is disposed in the base part 70 and is in a tubular shape.
- the mixing member 73 has an extending portion 731 disposed in the mixing chamber 71, and a spreading portion 732 extending from the extending portion 731 and outwardly of the spray opening 711 of the mixing chamber 71, and having a distal end section that is plate-shaped and that is spaced apart from the spray opening 711.
- the release agent input passage 75 has a connecting hole portion 751 formed in an end of the extending portion 731 of the mixing member 73 which is opposite to the spreading portion 732, a plurality of release agent hole portions 752 formed in the extending portion 731 of the mixing member 73 and communicating with the mixing chamber 71 and the connecting hole portion 751, and a release agent input portion 753.
- the release agent hole portions 752 are angularly spaced apart from each other, and each of the release agent hole portions 752 extends obliquely from the connecting hole portion 751 toward the spray opening 711 of the mixing chamber 71.
- the release agent input portion 753 has one end communicating with the connecting hole portion 751 and the other end adapted to communicate with the release agent source 21, so that a release agent can flow into the connecting hole portion 751 from the release agent input portion 753, and then flow along a path (I) (see Figure 7 ) into the mixing chamber 71 via the release agent hole portions 752.
- the number of the release agent hole portions 752 may be one in other embodiments, and a first angle ( ⁇ 1) (see Figure 8 ) defined between a central axis (L) of the mixing member 73 and a first extending direction through which each of the release agent hole portions 752 extends is less than 90 degrees.
- the first angle ( ⁇ 1) is 45 degrees.
- the water input passage 76 has a plurality of angularly spaced-apart water hole portions 761 formed in the wall member 72 and communicating with the mixing chamber 71, a surrounding water groove portion 762 formed in an outer surface of the wall member 72 and communicating with the water hole portions 761, a connecting portion 763 and a water input portion 764.
- the water hole portions 761 of the water input passage 76 extend obliquely from the surrounding water groove portion 762 toward the spray opening 711 of the mixing chamber 71.
- the connecting portion 763 is in the shape of an inverted T, and has a first bottom end communicating with the surrounding water groove portion 762, a second bottom end communicating with the outer environment, and a top end communicating with the water input portion 764.
- the second bottom end of the connecting portion 763 is blocked with a plug (see Figure 7 ) when the dispenser 6 is in use.
- the water input portion 764 extends from the top end of the connecting portion 763 and is adapted to communicate with the water source 22. In such manner, water can flow into the connecting portion 763 from the water input portion 764, and then flow along a path (II) (see Figure 7 ) into the mixing chamber 71 via the water hole portions 761.
- the number of the water hole portions 761 may be one in other embodiments, and a second angle ( ⁇ 2) (see Figure 8 ) defined between the central axis (L) of the mixing member 73 and a second extending direction through which each of the water hole portions 761 extends is less than 90 degrees.
- the second angle ( ⁇ 2) is 45 degrees.
- the air input passage 77 has a plurality of angularly spaced-apart air hole portions 771 formed in the wall member 72 and communicating with the mixing chamber 71, a surrounding air groove portion 772 formed in the outer surface of the wall member 72 and communicating with the air hole portions 771, and an air input portion 773.
- the air input portion 773 has one end communicating with the surrounding air groove portion 772 and the other end adapted to communicate with the air source 23. In such manner, air can be jetted into the air input passage 77 from the air input portion 773, and then pass along a path (III) (see Figure 7 ) into the mixing chamber 71.
- the release agent hole portions 752 of the release agent input passage 75 is disposed downstream of the air hole portions 771 of the air input passage 77 and upstream of the water hole portions 761 of the water input passage 76. In such manner, air jetted out from the air hole portions 771 can pass through the release agent hole portions 752 and the water hole portions 761 to bring a release agent liquid or the water out of the spray opening 711 of the mixing chamber 71.
- valve units 8 are respectively mounted in valve chambers 74 of the main body 7, and each of the valve units 8 is operable to open and close a respective one of the release agent input passage 75 and the water input passage 76.
- Each of the valve units 8 includes a top cover 81 fixedly mounted to a top end of a respective one of the valve chambers 74 and sealing the respective one of the valve chambers 74, and a movable bottom valve 82.
- the bottom valve 82 of each of the valve units 8 has a body segment 821 that extends outwardly of the respective one of the valve chambers 74 and toward the respective one of the release agent input passage 75 and the water input passage 76, and a frustoconical plug segment 822 connected to an end of the body segment 821 that is opposite to the top cover 81.
- One of the plug segments 822 is operable to close the release agent input passage 75 with the plug segment 822 blocking the connecting hole portion 751 of the release agent input passage 75, and to open the release agent input passage 75 with the plug segment 822 being removed from the connecting hole portion 751 of the release agent input passage 75.
- the other one of the plug segments 822 is operable to close the water input passage 76 with the plug segment 822 blocking the connecting portion 763 of the water input passage 76, and to open the water input passage 76 with the plug segment 822 being removed from the connecting portion 763 of the water input passage 76.
- the valve units 8 may be replaced by other conventional valve units in other embodiments.
- Each of the valve chambers 74 has a first air inlet portion 741 located at a top portion thereof, and a second air inlet portion 742 located at abottomportion thereof.
- the bottom valve 82 of a respective one of the valve units 8 would be pushed to move away from the top cover 81 of the respective one of the valve units 8 to close a respective one of the release agent input passage 75 and the water input passage 76, and when air flows into each of the valve chambers 74 via the second air inlet portion 742, the bottom valve 82 of the respective one of the valve units 8 would be pushed to move toward the top cover 81 of the respective one of the valve units 8 to open the respective one of the release agent input passage 75 and the water input passage 76.
- Each of the regulating members 9 extends threadedly into the main body 7, and can be rotated to block and unblock a respective one of the release agent input portion 753 of the release agent input passage 75 and the water input portion 764 of the water input passage 76. Accordingly, one of the regulating members 9 can control the amount of the release agent supplied from the release agent source 21 into the release agent input passage 75, and the other one of the regulating members 9 can control the amount of the water supplied from the water source 22 into the water input passage 76.
- the air from the air source 23 is jetted into the mixing chamber 71 via the air input passage 77, and flows through the release agent hole portions 752 and the water hole portions 761 to jet the release agent and the water out of the spray opening 711 of the mixing chamber 71.
- the fluid which includes the release agent and the water jetted out of the spray opening 711, would first hit the spreading portion 732 of the mixing member 73, and then be retained in a respective one of the receiving chambers 31 to be well-mixed. In the last stage, the fluid would be sprayed out from a respective one of the nozzle units 4.
- a user can control the release agent input passage 75 and the water input passage 76 to be closed or opened by inputting air into the first air input portion 741 or the second air input portion 742 of a respective one of the valve chambers 74. Therefore, with such structure, different types of the fluid (for example: water, release agent or a mixture of water and release agent) sprayed out from the nozzle mechanism 2 can be selected.
- different types of the fluid for example: water, release agent or a mixture of water and release agent
- each of the receiving chambers 31 is connected to the respective one of the dispensers 6 and is isolated from each other, each of the dispensers 6 can be independently closed or opened as required.
- the air nozzle units 5 of the nozzle mechanism 2 firstly jet air to clean burrs clinging to a mold (not shown), and the valve unit 8 is operated to open the water input passage 76 so as to spray out the water to cool down the mold. Finally, the valve unit 8 is further operated to open the release agent input passage 75 so as to spray out the release agent liquid to the mold for the next die casting process.
- the spray device of the disclosure has the following advantages:
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Abstract
Description
- The disclosure relates to a dispenser, and more particularly to a dispenser of a spray device of a die casting machine.
- As shown in
Figure 1 , a die casting operation using a conventional die casting machine 1 requires a release agent liquid (i.e., a mixture of release agent and water) to be sprayed to amold 11 so that a produced blank can be easily removed from themold 11. The release agent liquid is sprayed out from aspray device 12 which has a plurality ofnozzle mechanisms 121. Each of thenozzle mechanisms 121 is formed with a copper tube having a curved distal end section. After the blank is removed from themold 11, thespray device 12 will be driven to move to a location between acore plate 111 and acavityplate 112 of themold 11, and will spray the release agent liquid to the surfaces of thecore plate 111 and thecavityplate 112. Themold 11 is then closed to proceed to the next die casting operation. - Generally, the
mold 11 can reach higher temperatures after the die casting operation, such that themold 11 needs to be cooled down before being sprayed with the release agent liquid to prevent poor adherence of the release agent liquid. Aconventional spray device 12 uses the release agent liquid to cool down themold 11 since thespray device 12 can only spray out one type of liquid by using high pressure air from a spray tube. Therefore, during the die casting operation, the release agent liquid needs to be sprayed out twice, once for cooling and once for die casting purposes. In such manner, a conventional spray device consumes a high amount of the release agent liquid and results in a time-consuming die casting operation. - Therefore, an object of the disclosure is to provide a dispenser that can reduce the consumption of release agent liquid and time for die casting operation.
- According to the disclosure, the dispenser is adapted to be mounted to a nozzle mechanism of a die casting machine, and is adapted to be connected to a release agent source, a water source and an air source. The dispenser includes a main body and two valve units. The main body has a mixing chamber, a release agent input passage, a water input passage, and an air input passage. The mixing chamber has a spray opening adapted to be connected to the nozzle mechanism of the die casting machine. The release agent input passage is adapted to be connected to the release agent source, and has at least one release agent hole portion communicating with the mixing chamber. The water input passage is adapted to be connected to the water source, and has at least one water hole portion communicating with the mixing chamber. The air input passage is adapted to be connected to the air source, and has at least one air hole portion communicating with the mixing chamber, and disposed upstream of the at least one release agent hole portion of the release agent input passage and the at least one water hole portion of the water input passage. The valve units are mounted to the main body. Each of the valve units is operable to open and close a respective one of the release agent input passage and the water input passage.
- Another object of the disclosure is to provide a spray device that has the abovementioned dispenser.
- According to the disclosure, the spray device includes a nozzle mechanism and the abovementioned dispenser. The nozzle mechanism includes a base body and a nozzle unit mounted to the base body. The dispenser is mounted to the nozzle mechanism. The spray opening of the mixing chamber communicates with the nozzle unit.
- Other features and advantages of the disclosure will become apparent in the following detailed description of the embodiment with reference to the accompanying drawings, of which:
-
Figure 1 is a schematic fragmentary side view of a conventional die casting machine; -
Figure 2 is a perspective view of an embodiment of a spray device of a die casting machine according to the disclosure; -
Figure 3 is a sectional view taken along line III-III inFigure 2 ; -
Figure 4 is an enlarged perspective view within a rectangle (IV) inFigure 2 , illustrating a dispenser of the embodiment; -
Figure 5 is an exploded perspective view of the dispenser of the embodiment; -
Figure 6 is another enlarged perspective view of the dispenser of the embodiment; -
Figure 7 is a sectional view taken along line VII-VII inFigure 6 ; and -
Figure 8 is a sectional view taken along line VIII-VIII inFigure 6 . - Referring to
Figures 2 to 4 , the embodiment of a spray device is adapted for use in a die casting machine. The spray device includes anozzle mechanism 2 and a plurality ofdispensers 6 mounted to thenozzle mechanism 2. Thenozzle mechanism 2 includes abase body 3, a plurality ofnozzle units 4 mounted to thebase body 3, and fourair nozzle units 5 mounted to a bottomportion of thebase body 3. - The
base body 3 has a plurality of receivingchambers 31. Thenozzle units 4 respectively communicate with thereceiving chambers 31, and each of thenozzle units 4 includes a plurality ofnozzles 41. Each of theair nozzle units 5 includes a plurality ofair nozzles 51. The number of thereceiving chambers 31 and the number of thenozzle units 4 may each be one in other embodiments. - As shown in
Figures 3 to 5 , thedispensers 6 are mounted to thebase body 3 and are respectively connected to thereceiving chambers 31. Each of thedispensers 6 is adapted to be connected to arelease agent source 21, awater source 22 and anair source 23, and includes amain body 7 mounted to a top end of thebase body 3, twovalve units 8 and two regulatingmembers 9. - As shown in
Figures 6 to 8 , for each of thedispensers 6, themain body 7 has abase part 70, awall member 72 defining amixing chamber 71, and amixing member 73 having at least a portion that is disposed in themixing chamber 71. Themain body 7 further has twovalve chambers 74, a releaseagent input passage 75 adapted to be connected to therelease agent source 21, awater input passage 76 adapted to be connected to thewater source 22, and anair input passage 77 adapted to be connected to theair source 23. - For each of the
dispensers 6, themixing chamber 71 has a spray opening 711 communicating with a respective one of thereceiving chambers 31 of thebase body 3, and diverging from an inner end thereof to an outer end thereof (i.e., toward the respective one of the receiving chambers 31). Thewall member 72 is disposed in thebase part 70 and is in a tubular shape. Themixing member 73 has an extendingportion 731 disposed in themixing chamber 71, and a spreadingportion 732 extending from the extendingportion 731 and outwardly of the spray opening 711 of themixing chamber 71, and having a distal end section that is plate-shaped and that is spaced apart from the spray opening 711. - In this embodiment, the release
agent input passage 75 has a connectinghole portion 751 formed in an end of the extendingportion 731 of themixing member 73 which is opposite to the spreadingportion 732, a plurality of releaseagent hole portions 752 formed in the extendingportion 731 of themixing member 73 and communicating with themixing chamber 71 and the connectinghole portion 751, and a releaseagent input portion 753. The releaseagent hole portions 752 are angularly spaced apart from each other, and each of the releaseagent hole portions 752 extends obliquely from the connectinghole portion 751 toward the spray opening 711 of themixing chamber 71. The releaseagent input portion 753 has one end communicating with the connectinghole portion 751 and the other end adapted to communicate with therelease agent source 21, so that a release agent can flow into the connectinghole portion 751 from the releaseagent input portion 753, and then flow along a path (I) (seeFigure 7 ) into themixing chamber 71 via the releaseagent hole portions 752. - It should be noted that, the number of the release
agent hole portions 752 may be one in other embodiments, and a first angle (θ1) (seeFigure 8 ) defined between a central axis (L) of themixing member 73 and a first extending direction through which each of the releaseagent hole portions 752 extends is less than 90 degrees. In this embodiment, the first angle (θ1) is 45 degrees. - In this embodiment, the
water input passage 76 has a plurality of angularly spaced-apartwater hole portions 761 formed in thewall member 72 and communicating with themixing chamber 71, a surroundingwater groove portion 762 formed in an outer surface of thewall member 72 and communicating with thewater hole portions 761, a connectingportion 763 and awater input portion 764. Thewater hole portions 761 of thewater input passage 76 extend obliquely from the surroundingwater groove portion 762 toward the spray opening 711 of themixing chamber 71. The connectingportion 763 is in the shape of an inverted T, and has a first bottom end communicating with the surroundingwater groove portion 762, a second bottom end communicating with the outer environment, and a top end communicating with thewater input portion 764. The second bottom end of the connectingportion 763 is blocked with a plug (seeFigure 7 ) when thedispenser 6 is in use. Thewater input portion 764 extends from the top end of the connectingportion 763 and is adapted to communicate with thewater source 22. In such manner, water can flow into the connectingportion 763 from thewater input portion 764, and then flow along a path (II) (seeFigure 7 ) into themixing chamber 71 via thewater hole portions 761. - It should be noted that, the number of the
water hole portions 761 may be one in other embodiments, and a second angle (θ2) (seeFigure 8 ) defined between the central axis (L) of themixing member 73 and a second extending direction through which each of thewater hole portions 761 extends is less than 90 degrees. In this embodiment, the second angle (θ2) is 45 degrees. - In this embodiment, the
air input passage 77 has a plurality of angularly spaced-apartair hole portions 771 formed in thewall member 72 and communicating with themixing chamber 71, a surroundingair groove portion 772 formed in the outer surface of thewall member 72 and communicating with theair hole portions 771, and anair input portion 773. Theair input portion 773 has one end communicating with the surroundingair groove portion 772 and the other end adapted to communicate with theair source 23. In such manner, air can be jetted into theair input passage 77 from theair input portion 773, and then pass along a path (III) (seeFigure 7 ) into themixing chamber 71. - The release
agent hole portions 752 of the releaseagent input passage 75 is disposed downstream of theair hole portions 771 of theair input passage 77 and upstream of thewater hole portions 761 of thewater input passage 76. In such manner, air jetted out from theair hole portions 771 can pass through the releaseagent hole portions 752 and thewater hole portions 761 to bring a release agent liquid or the water out of thespray opening 711 of the mixingchamber 71. - As shown in
Figures 5 ,7 and8 , thevalve units 8 are respectively mounted invalve chambers 74 of themain body 7, and each of thevalve units 8 is operable to open and close a respective one of the releaseagent input passage 75 and thewater input passage 76. Each of thevalve units 8 includes atop cover 81 fixedly mounted to a top end of a respective one of thevalve chambers 74 and sealing the respective one of thevalve chambers 74, and amovable bottom valve 82. Thebottom valve 82 of each of thevalve units 8 has abody segment 821 that extends outwardly of the respective one of thevalve chambers 74 and toward the respective one of the releaseagent input passage 75 and thewater input passage 76, and afrustoconical plug segment 822 connected to an end of thebody segment 821 that is opposite to thetop cover 81. One of theplug segments 822 is operable to close the releaseagent input passage 75 with theplug segment 822 blocking the connectinghole portion 751 of the releaseagent input passage 75, and to open the releaseagent input passage 75 with theplug segment 822 being removed from the connectinghole portion 751 of the releaseagent input passage 75. The other one of theplug segments 822 is operable to close thewater input passage 76 with theplug segment 822 blocking the connectingportion 763 of thewater input passage 76, and to open thewater input passage 76 with theplug segment 822 being removed from the connectingportion 763 of thewater input passage 76. Thevalve units 8 may be replaced by other conventional valve units in other embodiments. - Each of the
valve chambers 74 has a firstair inlet portion 741 located at a top portion thereof, and a secondair inlet portion 742 located at abottomportion thereof. In such manner, when air flows into each of thevalve chambers 74 via the firstair inlet portion 741, thebottom valve 82 of a respective one of thevalve units 8 would be pushed to move away from thetop cover 81 of the respective one of thevalve units 8 to close a respective one of the releaseagent input passage 75 and thewater input passage 76, and when air flows into each of thevalve chambers 74 via the secondair inlet portion 742, thebottom valve 82 of the respective one of thevalve units 8 would be pushed to move toward thetop cover 81 of the respective one of thevalve units 8 to open the respective one of the releaseagent input passage 75 and thewater input passage 76. - Each of the regulating
members 9 extends threadedly into themain body 7, and can be rotated to block and unblock a respective one of the releaseagent input portion 753 of the releaseagent input passage 75 and thewater input portion 764 of thewater input passage 76. Accordingly, one of the regulatingmembers 9 can control the amount of the release agent supplied from therelease agent source 21 into the releaseagent input passage 75, and the other one of the regulatingmembers 9 can control the amount of the water supplied from thewater source 22 into thewater input passage 76. - As shown in
Figures 3 ,7 and8 , during operation, the air from theair source 23 is jetted into the mixingchamber 71 via theair input passage 77, and flows through the releaseagent hole portions 752 and thewater hole portions 761 to jet the release agent and the water out of thespray opening 711 of the mixingchamber 71. The fluid, which includes the release agent and the water jetted out of thespray opening 711, would first hit the spreadingportion 732 of the mixingmember 73, and then be retained in a respective one of the receivingchambers 31 to be well-mixed. In the last stage, the fluid would be sprayed out from a respective one of thenozzle units 4. For each of thedispensers 6, a user can control the releaseagent input passage 75 and thewater input passage 76 to be closed or opened by inputting air into the firstair input portion 741 or the secondair input portion 742 of a respective one of thevalve chambers 74. Therefore, with such structure, different types of the fluid (for example: water, release agent or a mixture of water and release agent) sprayed out from thenozzle mechanism 2 can be selected. - It should be noted that, since each of the receiving
chambers 31 is connected to the respective one of thedispensers 6 and is isolated from each other, each of thedispensers 6 can be independently closed or opened as required. - During the die casting process, the
air nozzle units 5 of thenozzle mechanism 2 firstly jet air to clean burrs clinging to a mold (not shown), and thevalve unit 8 is operated to open thewater input passage 76 so as to spray out the water to cool down the mold. Finally, thevalve unit 8 is further operated to open the releaseagent input passage 75 so as to spray out the release agent liquid to the mold for the next die casting process. - With the abovementioned configuration, the spray device of the disclosure has the following advantages:
- 1. Since different types of the fluid can be selected to be sprayed out from the
nozzle mechanism 2, and time required for the mold to cool and the amount of the release agent used can be decreased. - 2. The release
agent hole portions 752 and thewater hole portions 761 extend obliquely toward the mixingchamber 71, so that the release agent and the water can be smoothly carried out by the air, and working efficiency of thedispensers 6 can be raised. - 3. The amount of the release agent and the amount of the water inputted into the
dispensers 6 can be adjusted by the regulatingmembers 9. - 4. The entire operation of the
nozzle mechanism 2 is flexible, since each of thedispensers 6 can be independently controlled. - In the description above, for the purposes of explanation, numerous specific details have been set forth in order to provide a thorough understanding of the embodiment. It will be apparent, however, to one skilled in the art, that one or more other embodiments may be practiced without some of these specific details. It should also be appreciated that reference throughout this specification to "one embodiment," "an embodiment," an embodiment with an indication of an ordinal number and so forth means that a particular feature, structure, or characteristic may be included in the practice of the disclosure. It should be further appreciated that in the description, various features are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of various inventive aspects.
Claims (10)
- A dispenser (6) adapted to be mounted to a nozzle mechanism (2) of a die casting machine, and adapted to be connected to a release agent source (21), a water source (22) and an air source (23), said dispenser (6) characterized by:a main body (7) havinga mixing chamber (71) that has a spray opening (711) adapted to be connected to the nozzle mechanism (2) of the die casting machine,a release agent input passage (75) that is adapted to be connected to the release agent source (21), and that has at least one release agent hole portion (752) communicating with said mixing chamber (71),a water input passage (76) that is adapted to be connected to the water source (22), and that has at least one water hole portion (761) communicating with said mixing chamber (71), andan air input passage (77) that is adapted to be connected to the air source (23), and that has at least one air hole portion (771) communicating with said mixing chamber (71), and disposed upstream of said at least one release agent hole portion (752) of said release agent input passage (75) and said at least one water hole portion (761) of said water input passage (76); andtwo valve units (8) mounted to said main body (7), each of said valve units (8) being operable to open and close a respective one of said release agent input passage (75) and said water input passage (76).
- The dispenser (6) as claimed in Claim 1, characterized in that:said main body (7) further has a mixing member (73) that has at least a portion disposed in said mixing chamber (71);said release agent input passage (75) further has a connecting hole portion (751) formed in said mixing member (73); andsaid at least one release agent hole portion (752) of said release agent input passage (75) is formed in said mixing member (73), and communicates with said mixing chamber (71) and said connecting hole portion (751).
- The dispenser (6) as claimed in Claim 2, further characterized in that said mixing member (73) has:an extending portion (731) formed with said connecting hole portion (751) and said at least one release agent hole portion (752) of said release agent input passage (75); anda spreading portion (732) extending from said extending portion (731) and outwardly of said spray opening (711) of said mixing chamber(71), and having a distal end section that is plate-shaped.
- The dispenser (6) as claimed in any one of Claims 2 to 3, further characterized in that said at least one release agent hole portion (752) of said release agent input passage (75) extends obliquely from said connecting hole portion (751) toward said spray opening (711) of said mixing chamber (71).
- The dispenser (6) as claimed in any one of Claims 2 to 4, further characterized in that one of said valve units (8) has a frustoconical plug segment (822), and is operable to close said release agent input passage (75) with said plug segment (822) blocking said connecting hole portion (751) of said release agent input passage (75), and to open said release agent input passage (75) with said plug segment (822) being removed from said connecting hole portion (751) of said release agent input passage (75).
- The dispenser (6) as claimed in any one of Claims 1 to 5, characterized in that:said main body (7) further has a wall member (72) defining said mixing chamber (71);said water input passage (76) further has a surrounding water groove portion (762) f ormed in an outer surface of said wall member (72);said water input passage (76) has a plurality of said water hole portions (761) communicating with said surrounding water groove portion (762) and said mixing chamber (71);said air input passage (77) further has a surrounding air groove portion (772) formed in an outer surface of said wall member (72); andsaid air input passage (77) has a plurality of said air hole portions (771) communicating with said surrounding air groove portion (772) and said mixing chamber (71).
- The dispenser (6) as claimed in Claim 6, further characterized in that said water hole portions (761) of said water input passage (76) extend obliquely from said surrounding water groove portion (762) toward said spray opening (711) of said mixing chamber (71).
- The dispenser (6) as claimed in any one of Claims 1 to 4, characterized in that:said water input passage (76) further has a connecting portion (763) communicating with said at least one water hole portion (761); andone of said valve units (8) has a frustoconical plug segment (822), and is operable to close said water input passage (76) with said plug segment (822) blocking said connecting portion (763) of said water input passage (76), and to open said water input passage (76) with said plug segment (822) being removed from said connecting portion (763) of said water input passage (76).
- A spray device characterized by:a nozzle mechanism (2) including a base body (3) and a nozzle unit (4) that is mounted to said base body (3); anda dispenser (6) as claimed in claim 1 mounted to said nozzle mechanism (2), said spray opening (711) of said mixing chamber (71) communicating with said nozzle unit (4).
- The spray device as claimed in Claim 9, characterized in that:said main body (7) of said dispenser (6) is mounted to a top end of said base body (3) of said nozzle mechanism (2) ;said base body (3) has a receiving chamber (31) communicating with said spray opening (711) of said mixing chamber (71); andsaid main body (7) of said dispenser (6) has a mixing member (73) having an extending portion (731) that is disposed in said mixing chamber (71), and a spreading portion (732) that extends from said extending portion (731) and outwardly of said spray opening (711), and that has a distal end section being plate-shaped.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW105108378A TWI583463B (en) | 2016-03-18 | 2016-03-18 | Sprayer for metal die-casting machine and nozzle device with the sprayer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3219407A1 true EP3219407A1 (en) | 2017-09-20 |
EP3219407B1 EP3219407B1 (en) | 2019-06-05 |
Family
ID=56852105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP16186187.7A Active EP3219407B1 (en) | 2016-03-18 | 2016-08-29 | Dispenser and spray device having the same |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3219407B1 (en) |
JP (1) | JP6219479B2 (en) |
KR (1) | KR101890995B1 (en) |
CN (2) | CN107199322B (en) |
TW (1) | TWI583463B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201800006906A1 (en) * | 2018-07-04 | 2020-01-04 | PROCEDURE AND SYSTEM FOR DOSING A DILUTED |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI583463B (en) * | 2016-03-18 | 2017-05-21 | Chai Long Yu | Sprayer for metal die-casting machine and nozzle device with the sprayer |
TWI657879B (en) * | 2018-06-07 | 2019-05-01 | 游家龍 | Spray head device of metal die casting machine capable of uniform spraying |
TWI673123B (en) * | 2018-10-18 | 2019-10-01 | Chai Long Yu | Metal die casting machine nozzle device capable of enhancing atomization effect |
CN111376060A (en) * | 2018-12-27 | 2020-07-07 | 宁波江丰电子材料股份有限公司 | Fixed base and sputtering target lathe comprising same |
CN113245524B (en) * | 2021-05-26 | 2022-07-12 | 重庆市搏润模具有限公司 | Lubricating and spraying device for die-casting die |
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2016
- 2016-03-18 TW TW105108378A patent/TWI583463B/en active
- 2016-04-15 CN CN201610234794.7A patent/CN107199322B/en active Active
- 2016-04-15 CN CN201620318621.9U patent/CN205587628U/en not_active Withdrawn - After Issue
- 2016-08-29 EP EP16186187.7A patent/EP3219407B1/en active Active
- 2016-10-12 JP JP2016200716A patent/JP6219479B2/en active Active
- 2016-10-19 KR KR1020160135616A patent/KR101890995B1/en active IP Right Grant
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EP0642838A2 (en) * | 1993-09-09 | 1995-03-15 | Acheson Industries Deutschland | Spray element |
CN102179483B (en) * | 2011-04-27 | 2013-02-20 | 广东科达机电股份有限公司 | Novel mould release agent spraying device |
TWM419090U (en) * | 2011-06-22 | 2011-12-21 | Zitai Prec Machinery Co Ltd | Nozzle structure of sprayer |
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Also Published As
Publication number | Publication date |
---|---|
JP2017170423A (en) | 2017-09-28 |
EP3219407B1 (en) | 2019-06-05 |
CN107199322A (en) | 2017-09-26 |
CN107199322B (en) | 2019-05-24 |
KR20170108777A (en) | 2017-09-27 |
KR101890995B1 (en) | 2018-08-22 |
TW201733710A (en) | 2017-10-01 |
JP6219479B2 (en) | 2017-10-25 |
TWI583463B (en) | 2017-05-21 |
CN205587628U (en) | 2016-09-21 |
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